Segment-block



M. CAINE.

EEEEEEEEEEE K.

APPLICATION FILED DEC-3.1918. 1,347,247 Patented July 20, 1920.

, 2 EEEEEEEEEEEE I.

FIG 2. J0

/ III MMM auw M GAINE.

S'fEGMENTV BLOCK.

APPucATmN HLED DEc.3. 191s.

1,347,247'. Patented July 20,1920.

2 SHEETS-SHEET 2.

PATENT OFFICE.

MARSHALL CAINE, OF BARBERTON, OHIO.

SEGMENT-BLOCK.

Application led December 3, 1918. Serial No.

To all whom it may concern.'

Be it known that I, MARSHALL CAINE, aI

citizen 'of `the United States, residing at Barberton, in the county ofSummit and State of iOhio, have invented new and useful Improvements inSegment-Blocks, of which the following is a specication.

My invention in segment blocks relates to hollow blocks adapted for'conjoint employment in the formation of sewer pipes `and similar tubularstructures, whereby the same are formed in sections possessing greatstrength with Acontinuous air spaces throughout the length of the pipe.

The primary object of the invention, therefore, is the provision of ablock in the nature of an arch section adapted for building into pipeformation by interlocking side joints between adjacent-ly positionedblocks throughout the circumference of the completed pipe while the endsof the blocks are suitably flanged to form end joints for the adjacentblocks in the nature of a liub upon the complete pipe, it beingunderstood that longitudinal openings through the bloclrs providecontinuous air spaces throughout the length of the pipe, spaced apartaround the entire wall of the pipe.

With these general objects in view, the invention will be now fullydescribed in connection with the accompanying drawing and in which likereference characters designate corresponding parts throughout theseveral views.

In the drawings,

`Figure 1 is a perspective View of one of my form of blocks showing theflanged end thereof.

Fig. 2 is a similar perspective view showing the opposite end of theblock.

Fig. 3 is a central longitudinal sectional view of two blocks assembled,and

Fig. 4 is an end elevational view showing blocks assembled in pipeforming arrangement, partly broken away.

Referring more in detail to the drawings, it will be understood that myblock is formed of suitable dimensions for laying a sewer pipe orconduit of the desired diameter and broadly provides an outer wall 10slightly arcuate in cross section with an inner wall 11 parallel theretoand of slightly less width, whereby opposite side walls 12 and 13 whichconnect the same together are Specification of Letters Patent.

Patented July 20, 1920.

slightly convergent inwardly corresponding to radial lines of thecompleted sewer pipe.

A central longitudinal web 14 of each block divides the same intolongitudinal air spaces 15 which will be continuous throughout the pipewall when completed. The side wall 12 of each blockV has a longitudinalgroove 16 adapted for the reception of a Vcomplementally shaped rib 17longitudinally provided upon the wall 13 thereof so that the side wallsof adjacent blocks are adapted to be dove-tailed together in a strong'locking joint when assembled and at which times the walls 10 of theblocks will f r m the outer circular face of the pipe `while the walls,11 of the blocks will form the inner circular face thereof.

The ends of my blocks are adapted for abutting engagement when in pipeforniation with tie passages 15 in alinement with each other forming airspaces which are continuous and are for insulating purposes. The outerwall 10 of each block is provided with an offset arcuate flange 18 atone end of the block adapted for overlying the adjacent blocks whenassembled in pipe formation, thereby providing a continuous annular hubor flange circumferentially of the coinpleted pipe which affords astrong and tight joint for the sectional structure. Y

he web 14 is cut away or notched at its inner side adjacent the wall 11as at 19 while a projecting arcuate flange 20 upon the opposite end ofthe block is provided inwardly of and parallel with the outer flange 18.By t is arrangement, the inner flange 20 of each block will projectwithin the air spaces 15 and the notch 19 of each adj acently positionedblock when the blocks are assembled in longitudinal alinement asheretofore described. In joining the blocks together at their ends, asuitable amount of mortar 2l is preferably employed upon the entirecontacting ends of the blocks as well as upon the inner faces of theflanges 18 and covering the inner flanges 20. A pipe formed after themanner of my invention as best illustrated in Fig. 4 of the drawingswill possess great strength being in the nature of solid pipe sections,although formed of separate blocks, it being understood that mortar mayalso be employed between the engaging dove-tailed sides of the connectedblocks if found desirable. The inner flange or lip 2O of one radial sidewall to the inner the vother side Wall, and an offset outwardly Y Vprojecting arcuate greatly braces the structure and with the outer lflangeforms a strong and watertight joint.

l/Vhat I claim as new is 1. A block of the type 'idescribed having ingan annular llange when a plurality of the blocks are assembled in pipelorination, and

an arcuate flange upon the inner Wall at the flanged endV of the blockadapted or seating reception within said notch andair spaces when theblocks are arranged in end to end position. c

2. A segment block including concentric spacedarcuate inner and outerWalls connected by radial side Walls and a radial webV to formv openlongitudinal air passages in the block, said web having a notchy in oneend thereofV adjacent said inner ivall,.an oli'set youtwardly projectingarcuate flange formed upon lthe inner wall at the opposite end of'theblock and arranged for reception Within the notch and the ends ofthe air passages of' similar block, said from the inner face 'lace of anadjacently positioned arcuate flan-ge extending hub flange formed uponthe outer Wall at said opposite end oll the block.

outwardly projecting arcuate llange `formed 'upon the inner Wall at theopposite end of the Yblock and arranged lor reception Within the notchandthe endsof the air passages ol:

an. adj acently positioned similar block, said Y arcuate llangeextending from the inner face oit one radial side Wall to the inner faceoi ythe other sidewall, one of said Vside Walls `-having a longitudinalundercut groove, a

complementally shaped longitudinal rib .on

lthe other sidewall formed for snug reception Within the undercut grooveof asimilar block positioned beside the same, and an offset outwardlyprojecting arcuate hub flange Jformed upon .the outer Wall at saidopposite end ot the block. f l' Y 4. A segment block. includingconcentric spaced arcuate inner and outer Walls connected byradial'walls to *form an open longitudinal airV passage in-the block,Yan oliset outwardly projecting arcuate lange loi-med upon the innerWall at one end of the block and arranged for reception Within the endof the-air passage of an adjacently positioned similar blo'clniand anoffset outwardly projecting arcuate hub'llange formed upon the outerwall at said one end of the block.

-In testimony whereof l have hereunto set my hand.

VMARSHALL @AINE

